Analysis

  • max time kernel
    144s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-06-2022 07:48

General

  • Target

    d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe

  • Size

    751KB

  • MD5

    cbbf69b6859140cbe162565dc7e57c42

  • SHA1

    d1182ceaba475493e1397dff94bad726feac4712

  • SHA256

    d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496

  • SHA512

    4909130568f37c4afa2b0e8afc39929fd52a2212bfe593b6e0a195d3e9296cd64b2a418d21d3845d479413b3455472c6f00e76c50136a148a5a3b6d312da72a7

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    divi@accauto.co
  • Password:
    7213575aceACE$

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NirSoft MailPassView 6 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 10 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe
    "C:\Users\Admin\AppData\Local\Temp\d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:884
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Users\Admin\AppData\Local\Temp\d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2008
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:300
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
        3⤵
          PID:816

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Defense Evasion

    Scripting

    1
    T1064

    Collection

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\holderwb.txt
      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/300-65-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/300-64-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/300-63-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/300-60-0x0000000000411654-mapping.dmp
    • memory/300-59-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/816-67-0x0000000000442628-mapping.dmp
    • memory/816-66-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/816-70-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/816-72-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/2008-58-0x0000000000930000-0x0000000000938000-memory.dmp
      Filesize

      32KB

    • memory/2008-57-0x00000000004A5000-0x00000000004B6000-memory.dmp
      Filesize

      68KB

    • memory/2008-56-0x0000000000090000-0x0000000000114000-memory.dmp
      Filesize

      528KB

    • memory/2008-54-0x000000000010EA6E-mapping.dmp
    • memory/2008-55-0x0000000075941000-0x0000000075943000-memory.dmp
      Filesize

      8KB